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C++ LLStrider::setAdd方法代码示例

本文整理汇总了C++中LLStrider::setAdd方法的典型用法代码示例。如果您正苦于以下问题：C++ LLStrider::setAdd方法的具体用法？C++ LLStrider::setAdd怎么用？C++ LLStrider::setAdd使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LLStrider的用法示例。


在下文中一共展示了LLStrider::setAdd方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: getGeometry

void LLVOClouds::getGeometry(S32 idx,
								LLStrider<LLVector4a>& verticesp,
								LLStrider<LLVector3>& normalsp, 
								LLStrider<LLVector2>& texcoordsp,
								LLStrider<LLColor4U>& colorsp, 
								LLStrider<U16>& indicesp)
{

	if (idx >= mCloudGroupp->getNumPuffs())
	{
		return;
	}

	LLDrawable* drawable = mDrawable;
	LLFace *facep = drawable->getFace(idx);

	if (!facep->hasGeometry())
	{
		return;
	}
	

	const LLCloudPuff &puff = mCloudGroupp->getPuff(idx);

	LLColor4 float_color(LLColor3(gSky.getSunDiffuseColor() + gSky.getSunAmbientColor()),puff.getAlpha());
	LLColor4U color;
	color.setVec(float_color);
	facep->setFaceColor(float_color);
	
	U32 vert_offset = facep->getGeomIndex();
		
	LLVector4a part_pos_agent;
	part_pos_agent.load3(facep->mCenterLocal.mV);	
	LLVector4a at;
	at.load3(LLViewerCamera::getInstance()->getAtAxis().mV);
	LLVector4a up(0, 0, 1);
	LLVector4a right;

	right.setCross3(at, up);
	right.normalize3fast();
	up.setCross3(right, at);
	up.normalize3fast();
	right.mul(0.5f*CLOUD_PUFF_WIDTH);
	up.mul(0.5f*CLOUD_PUFF_HEIGHT);
		

	LLVector3 normal(0.f,0.f,-1.f);

	//HACK -- the verticesp->mV[3] = 0.f here are to set the texture index to 0 (particles don't use texture batching, maybe they should)
	// this works because there is actually a 4th float stored after the vertex position which is used as a texture index
	// also, somebody please VECTORIZE THIS

	LLVector4a ppapu;
	LLVector4a ppamu;
	
	ppapu.setAdd(part_pos_agent, up);
	ppamu.setSub(part_pos_agent, up);
	
	verticesp->setSub(ppapu, right);
	(*verticesp++).getF32ptr()[3] = 0.f;
	verticesp->setSub(ppamu, right);
	(*verticesp++).getF32ptr()[3] = 0.f;
	verticesp->setAdd(ppapu, right);
	(*verticesp++).getF32ptr()[3] = 0.f;
	verticesp->setAdd(ppamu, right);
	(*verticesp++).getF32ptr()[3] = 0.f;

	// *verticesp++ = puff_pos_agent - right + up;
	// *verticesp++ = puff_pos_agent - right - up;
	// *verticesp++ = puff_pos_agent + right + up;
	// *verticesp++ = puff_pos_agent + right - up;

	*colorsp++ = color;
	*colorsp++ = color;
	*colorsp++ = color;
	*colorsp++ = color;

	*texcoordsp++ = LLVector2(0.f, 1.f);
	*texcoordsp++ = LLVector2(0.f, 0.f);
	*texcoordsp++ = LLVector2(1.f, 1.f);
	*texcoordsp++ = LLVector2(1.f, 0.f);

	*normalsp++   = normal;
	*normalsp++   = normal;
	*normalsp++   = normal;
	*normalsp++   = normal;

	*indicesp++ = vert_offset + 0;
	*indicesp++ = vert_offset + 1;
	*indicesp++ = vert_offset + 2;

	*indicesp++ = vert_offset + 1;
	*indicesp++ = vert_offset + 3;
	*indicesp++ = vert_offset + 2;
}
开发者ID:IamusNavarathna，项目名称:SingularityViewer，代码行数:95，代码来源:llvoclouds.cpp

示例2: getGeometry

void LLVOPartGroup::getGeometry(const LLViewerPart& part,
								LLStrider<LLVector4a>& verticesp)
{
	if (part.mFlags & LLPartData::LL_PART_RIBBON_MASK)
	{
		LLVector4a axis, pos, paxis, ppos;
		F32 scale, pscale;

		pos.load3(part.mPosAgent.mV);
		axis.load3(part.mAxis.mV);
		scale = part.mScale.mV[0];
		
		if (part.mParent)
		{
			ppos.load3(part.mParent->mPosAgent.mV);
			paxis.load3(part.mParent->mAxis.mV);
			pscale = part.mParent->mScale.mV[0];
		}
		else
		{ //use source object as position
			
			if (part.mPartSourcep->mSourceObjectp.notNull())
			{
				LLVector3 v = LLVector3(0,0,1);
				v *= part.mPartSourcep->mSourceObjectp->getRenderRotation();
				paxis.load3(v.mV);
				ppos.load3(part.mPartSourcep->mPosAgent.mV);
				pscale = part.mStartScale.mV[0];
			}
			else
			{ //no source object, no parent, nothing to draw
				ppos = pos;
				pscale = scale;
				paxis = axis;
			}
		}

		LLVector4a p0, p1, p2, p3;

		scale *= 0.5f;
		pscale *= 0.5f;

		axis.mul(scale);
		paxis.mul(pscale);

		p0.setAdd(pos, axis);
		p1.setSub(pos,axis);
		p2.setAdd(ppos, paxis);
		p3.setSub(ppos, paxis);

		(*verticesp++) = p2;
		(*verticesp++) = p3;
		(*verticesp++) = p0;
		(*verticesp++) = p1;
	}
	else
	{
		LLVector4a part_pos_agent;
		part_pos_agent.load3(part.mPosAgent.mV);
		LLVector4a camera_agent;
	camera_agent.load3(getCameraPosition().mV); 
	LLVector4a at;
	at.setSub(part_pos_agent, camera_agent);
	LLVector4a up(0, 0, 1);
	LLVector4a right;

	right.setCross3(at, up);
	right.normalize3fast();
	up.setCross3(right, at);
	up.normalize3fast();

	if (part.mFlags & LLPartData::LL_PART_FOLLOW_VELOCITY_MASK)
	{
		LLVector4a normvel;
		normvel.load3(part.mVelocity.mV);
		normvel.normalize3fast();
		LLVector2 up_fracs;
		up_fracs.mV[0] = normvel.dot3(right).getF32();
		up_fracs.mV[1] = normvel.dot3(up).getF32();
		up_fracs.normalize();
		LLVector4a new_up;
		LLVector4a new_right;

		//new_up = up_fracs.mV[0] * right + up_fracs.mV[1]*up;
		LLVector4a t = right;
		t.mul(up_fracs.mV[0]);
		new_up = up;
		new_up.mul(up_fracs.mV[1]);
		new_up.add(t);

		//new_right = up_fracs.mV[1] * right - up_fracs.mV[0]*up;
		t = right;
		t.mul(up_fracs.mV[1]);
		new_right = up;
		new_right.mul(up_fracs.mV[0]);
		t.sub(new_right);

		up = new_up;
		right = t;
		up.normalize3fast();
//.........这里部分代码省略.........
开发者ID:CmdrCupcake，项目名称:SingularityViewer，代码行数:101，代码来源:llvopartgroup.cpp

示例3: getGeometry

void LLVOPartGroup::getGeometry(S32 idx,
								LLStrider<LLVector4a>& verticesp,
								LLStrider<LLVector3>& normalsp, 
								LLStrider<LLVector2>& texcoordsp,
								LLStrider<LLColor4U>& colorsp, 
								LLStrider<U16>& indicesp)
{
	if (idx >= (S32) mViewerPartGroupp->mParticles.size())
	{
		return;
	}

	const LLViewerPart &part = *((LLViewerPart*) (mViewerPartGroupp->mParticles[idx]));

	U32 vert_offset = mDrawable->getFace(idx)->getGeomIndex();

	
	LLVector4a part_pos_agent;
	part_pos_agent.load3(part.mPosAgent.mV);
	LLVector4a camera_agent;
	camera_agent.load3(getCameraPosition().mV); 
	LLVector4a at;
	at.setSub(part_pos_agent, camera_agent);
	LLVector4a up(0, 0, 1);
	LLVector4a right;

	right.setCross3(at, up);
	right.normalize3fast();
	up.setCross3(right, at);
	up.normalize3fast();

	if (part.mFlags & LLPartData::LL_PART_FOLLOW_VELOCITY_MASK)
	{
		LLVector4a normvel;
		normvel.load3(part.mVelocity.mV);
		normvel.normalize3fast();
		LLVector2 up_fracs;
		up_fracs.mV[0] = normvel.dot3(right).getF32();
		up_fracs.mV[1] = normvel.dot3(up).getF32();
		up_fracs.normalize();
		LLVector4a new_up;
		LLVector4a new_right;

		//new_up = up_fracs.mV[0] * right + up_fracs.mV[1]*up;
		LLVector4a t = right;
		t.mul(up_fracs.mV[0]);
		new_up = up;
		new_up.mul(up_fracs.mV[1]);
		new_up.add(t);

		//new_right = up_fracs.mV[1] * right - up_fracs.mV[0]*up;
		t = right;
		t.mul(up_fracs.mV[1]);
		new_right = up;
		new_right.mul(up_fracs.mV[0]);
		t.sub(new_right);

		up = new_up;
		right = t;
		up.normalize3fast();
		right.normalize3fast();
	}

	right.mul(0.5f*part.mScale.mV[0]);
	up.mul(0.5f*part.mScale.mV[1]);


	LLVector3 normal = -LLViewerCamera::getInstance()->getXAxis();

	//HACK -- the verticesp->mV[3] = 0.f here are to set the texture index to 0 (particles don't use texture batching, maybe they should)
	// this works because there is actually a 4th float stored after the vertex position which is used as a texture index
	// also, somebody please VECTORIZE THIS

	LLVector4a ppapu;
	LLVector4a ppamu;

	ppapu.setAdd(part_pos_agent, up);
	ppamu.setSub(part_pos_agent, up);

	verticesp->setSub(ppapu, right);
	(*verticesp++).getF32ptr()[3] = 0.f;
	verticesp->setSub(ppamu, right);
	(*verticesp++).getF32ptr()[3] = 0.f;
	verticesp->setAdd(ppapu, right);
	(*verticesp++).getF32ptr()[3] = 0.f;
	verticesp->setAdd(ppamu, right);
	(*verticesp++).getF32ptr()[3] = 0.f;

	//*verticesp++ = part_pos_agent + up - right;
	//*verticesp++ = part_pos_agent - up - right;
	//*verticesp++ = part_pos_agent + up + right;
	//*verticesp++ = part_pos_agent - up + right;

	*colorsp++ = part.mColor;
	*colorsp++ = part.mColor;
	*colorsp++ = part.mColor;
	*colorsp++ = part.mColor;

	*texcoordsp++ = LLVector2(0.f, 1.f);
	*texcoordsp++ = LLVector2(0.f, 0.f);
//.........这里部分代码省略.........
开发者ID:dtshady，项目名称:SingularityViewer，代码行数:101，代码来源:llvopartgroup.cpp


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